Crank disc for a high refuse wet washing coal jig



FIG. 1 is a perspective view of a crank disc for a high refuse wet washing coal jig showing my new design;

FIG. 2 is a perspective view of the side not shown in FIG. 1;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view looking from the left of FIG. 3;

FIG. 6 is a side elevational view looking from the right of FIG. 3;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom view thereof. 

The ornamental design for a crank disc for a high refuse wet washing coal jig, as shown. 